Naval construction.



Patented Dec. 4,1917.

I SHEETS-#SHEET I.

L. S MUNSON.

NAVAL CONSTRUCTION.

APPLICATION man ocr. 29. 1911.

L. S. MUNSON.

NAVAL CONSTRUCTION.

APPucATmN man ocT.29,1911.

` Patented Dec. 4,1917.

SHEETS-SHEET 2.

@Mr/aga L'. S. MUNSON.

NAVAL CONSTRUCTION. l APPLICATION FILED OCT. 29.19I7. 1,249,173. Patented Dec. 4,1917.

ISHEETS-SHEET 3.

LNS. MUNSN.

NAVAL CONSTRUCTION.

APPucAnoN mso ocr.29.1911.

Pantsd Dec. 4, 1917'.

SHEETS--SHEET 4.

Inma/afn @www - L. S. MUNSON.

NAVAL CONSTRUCTION. APPLICATIoN mso ocr. 29. 1911.

Patented De. 4, 1917.

SHEETS-SHEET 5- @Lnge/MS.

L. S. MUNSON. NAVAL coNsmucTroN. APPLICATION FILED OCT. 29 191.1.

Patented Dec. 4, 1917.

1sNTs-sNEET s [7206452172 der' 0MM-ov L. S. MUNSON.

NAVAL CONSTRUCTION.

APPLICATION man ocT. 29, 1911` .Patented Dec. 4, 1917.

7 SHEETS-SHEET I.

Y wood, .and yet strong Yenough'tostandthe vi- Be it known thatl, LUTHER and* State of Californiahave invented certain new and'usefullmprovements in Naval Construction; and I do` hereby declare .the following to be a 'full` clear, and. exact`V description of the invention, 1suchfas will *en-A able Aothers skilled inthe art to which it' ap,-

pertains tomake-'andusethesaine., The principal feature of this invention is the construction of a ship made mostlyyoi' bratory motion due to being driven at a high speed byfscrew propellers,l as well yas to stand the other strains incident to being vdriven at a high speed in a Seaway".

My v'nventi'on willvbe more fully vunder-y drawings, in which 1 Figure 1 is a side View showing stood after reference to the accompanying in dotted lines, just beyond each side. of the midship section, -ore and aft ofwhich the planking is shown asremove'd to show the frames and bracing, and the-'bow and sternl are'v shown as still -further broken away to show the longitudinal steel stringers.

Fig. 2 shows in its upper half the deck plan with part ofthe deck broken away, and

the lower half ,shows Va section along the broken lineQ-ZI of Fig. 3, part ofthe .ceill.

ing-of thebottom being broken laway to show the parts beneath.

'A of Fig. 2, and looking Fig. 5 shows a Fig. 3 shows a section along the line 3 3 inthe direction of the arrows. I Fig. 4 shows a lsection along thei line 4 4 of Fig. 2, and looking in the direction 'of the arrows.-

sectionV along'the line 5 5 of Fig.` 4, andlooking in the direction of the arrows. i Y f r Fig. 6 shows a section upper deck and the bulwark and adjacent parts. Y Y

Fig. 7 shows a section along the line 7 7 of Fig. 6, and looking down.

Fig. l8 is a detail showing in perspective spemdatpioaofrtters Parcial ff' the central portion'oi the ship with the planking fon, the frames and bracing beneath being shown;

through partof the slightlymodifiediorm of constructipn, parts ofy .the wood beingr indicated-fin Q-dotted lines.

l' l i melo-f autmata@ fameuse time; i;

l vrepresents;@the `keel.i'constructed .in the i `usual way-fand; 1a thegarboard strakes;l .2

and?) represent stem. andstern postsjcon.-

structed inthe usual ,wayV

thekeelsons, respectively.v Srepresenjts one i ofthe Hoor beams,- which are l connected to the Aframes by the margin plates Si?. 9 represents the longitudinal bulk head, lOlone of the between deck beams, and. lljrepresents -V `one of therupper'declr'beainsy v l 212 represents one of the wooden transverse bulk heads, and 13 represents-one of theA various Vangleirons usedin thelstructure.- VV14 represents diagonal bracing, preferlablyfv -let A, l

into thefa'ce ofthe bulkhead, and 15 represents theA outer diagonal bracing which rests flush onthe facex'of the -bulk, head andis bolted thereto and to the diagonal-bracing 14. The ends of thesebraces are `pclcuineoted to angleV irons 13,` the 1whole forming' a Corn.- pound lattice gil'der ,mad/e1 ofgwood'dand Y steel',- h avingA the Vstrength of the metal combined with the strength andyielding propl 1 Y erties of the wood.:

Similar diagonal bracing zllland; is ap-v plied to; both sides of '-the'centralfore and aft y VIV bulk head 9. Similar diagonal bracing is l also provided inside of theouterplanking 16 ,and alsoon the top of the deck beams 11V A and vbelow the deckl'l; .thus withr the fore and aftbulk-head and.the transverse bulk heads bracedV as shown, I-provide a' structure made mainly of-woodreinforced vertically.

the whole forming anl extremelystrong. and

resilient cellular structure.

project 'into bolsters. 12F (seej Fig. 7), which longitudinally and diagonally-with gsteel;

span three or morelfrarnes and thus distri-- l Y butey any strain` brought ,onf vthe bulk Ahead Y over a plurality of frames; also these-bolff` sters aiiord means for permitting the 4calk'- vessel, a series of longitudinal stringers 1S,A

preferably in the form of Tirons, bolted or riveted to the frames 7 and extending from the stem to the stern post, Where their ends are tied together, respectively, by cross f plates 19 and 20,l as shown in Fig. 2.

. provide steel knees 2l, in the form of angle irons',l Arivetedto triangnl'ar plates, yas 'shown most clearly in lligot?` s v The frames?" are' preferably of a compositestructure of v Wood vand steel, as vshown in crossy section in Fig.v"7,finf1which 7y represents a steel bar, rT-sha'ped"'in cross section, Whose Web projects into 'a groove provided in the tivo Wooden timbers 7b, t'o which it is connected by the bolts 7 'and'7d.`

" The Ivarious transverse beams 8, 10 and 11 are of similar construction, having T-irons lla projecting into Ythe Wooden timbers 1lb, to which they are connected by means of the bolts 11,and'cer'tain of these bolts proand the margin knees 8b, as also by the keeljV Y in Figs. 6, Tand 8.

vject through the deck or `pla-liking as shown The frames'are vconnectedl to the floor beams 8 by means ofthe margin plates 82L sons 4, 5-and 6. Y f f V22 represents'the upper deck; 23 the be-` tween deck and '24 Vthe ceiling above the bilge tanks Q5, in the upperpart `of Which tanks the horizontal'partitionlfA is provided, which may be either of 'Woodorof steel plating. Y l 5 'dditional braces?? may also be provided inthe bottom ofthe ship, as shownin Fig. 3. Suitable'hatch combings 28 and 29, see Fig. 3, are provided Where'needed, Which are 'covered by the hatch 'covers 30 and 3l, respectively. In ordery to strengthen the structure-Where itis `weakened by cuttingV away for the hatch, Iprov'ide'in the hatch combings T'-ir'on`s4 32, to Which the diagonal bracingfisconnected, yas shown Vin Figs. 2 and 3.

In order to further strengthen-the structure vertical beams Al0 may -be provided, as shownin Figi 9, Whichr beams consist of plates reinforced l,at their edgesr` With the angle irons 41." These-plates are bolted to the'lstringers l8r-by means of angle iron plates',thus forming an exceedingly strong metal structure. I i

To further strengthenthe structure, angle braces l42 and bolts 43 `may bevprovided 'betvveen" the' keelsons; as shown in' Fi gj 9. As additional'strengthening'means a shear strap dfmay be provided,extending the The frames 7 may also be provided with strengthening strips 45 abreast the deck Q3, afopposite the deck 24, and 47 below the keelsons. Furthermore, a metal strip 48 countersunk in the beam 8 maybe provided. rIhese strips 415, ll,A 147Qand48z 'enable the corresponding bolts for each/end. d

vIn assemblingthe parts the keel is laid in thefusual manner, and the lower .member of the double bottom set; then the steel"'Ts Beneath the ends offtherdeck "beams, I"

in the ke'elsons'a'reset and fastened to the lowermember, then the set and fastened..V

The top memberof vthen vset and fastened, :the .margin plates -set per deck, andthe upper deck beams arcisetY I f 490 Y* and fastened. The-steel lining of the bilge tanks is then set and 'calked.= i i 1 i The *bottomV then' plankedv to' `above Athe turn of the bilge. The bilge tanks are 1co1npleted; the. lblockingatl the endso'ffthe floor beam-beneath vthe margin'plate is set tofhave a metal bearing 1 keelson timbers are. i

the .ciubiebaams soV andV fastened, and the ceiling of lthe double bottom is now placed so that-the transverse bulk heads may be set.A A

"The'ceiling of the ydouble'bott-om is n'ot'to be cut for transverse bulk heads, .but is to becontinuous lfromy end telend, except thatV i' the transverse'bulkheads are to herab beted aboutone' inchinto the ceiling. The longitudinal' and y cross bulkl heads are vto are set. Y Y A All timber is to be surfaced on Afour 'sides and together, 'rwithall steel should be painted atleastitwo coats before erection. All of t-liesteel membersof 'the' frame'vvork'are be calked and Apainted before the `diagonals to bewvelded andv riveted together! before the placing of the timber members..

It Will be seen that Iprovide awooden ship 'with asteel sub-frame, so .riveted -fand Welded together that for allpracticalfpurposes itis a unit, and 'I` thus provide continuity for the entire framework; alsosteel reinforcing is provided to meet all tension andtorsional strains, so thatfthe shockjof impact, or'the vibration of the ship may be versely and longitudinallygwith.steel, so

quickly distributed over a large area;V 'and "s that the usual ceiling is noty necessary, and

the jframe outer "planking are accessible foreasy repair, Vandare less subject to dry samelo'cal strains.

I also"provide ahifgh f actorof safety for all parts by utilizing' longitudinal members to assist 'transverse members ilolcally'," and thus jprovidejtwo Yways 'ofl caring :for the "I al'souproivide a method of beam fabrication'which combines the use of `common shapes of small steelfsections, preferably of Tishape, with wooden members', connected Y togetherbybolts, so that both members :of

thevcompound beam will ywork together vinv the proper relation oftheir moduli of ciastlclty, as V though thejwhole Vwerea .umtoi homogeneousmaterial l also yprovide a system .of ship construction 'that may beffabricated in the mill, and set up largely'v yother skilled. labor 'n 'thanv shipwrights.Y Y I also provide a system or" ship construction'which makes possible the building of v' largerwooden ships with the saine desirable 254 qualities 'of strength', "ease 'of handling, land ease of repair with s t'eel'ships.` It will also'befseentha'tv v the largep'ron portion yof wood in the structure will'rend'er the vesselfmore buoyant when partly/filled used without departing from the spirit of my invention.l

Having thus described my invention, what I claim and desire to secure by Letters Patent of the United States is 1. A marine vessel having a steel framework comprising a series of T-beams connected together, Wooden timbers secured to the websof said T-beams by bolts passing `through said webs, and planking secured to said beams by bolts passing through the flanges of said T-beams and said timbers,

substantially as described.

2. A marine vessel having a steel framework comprising a series of T-beams connected together vertically, transversely and longitudinally, wooden timbers secured to the webs of said Tebeams by bolts passing through said webs to form a single compound beam of Wood and steel, and planking secured to said beams by bolts passing through the flanges of said T-beams and said timbers, substantially as described.

Y3. marine-vessel having:asteel@M; work comprising 'a series. offT-beams^`con-' nected? together, Awoodenitinfibers' secured'pto Y 'i the webs'oi said T-beamsV byYY bolts passing through said webs,1to form compound beams of` wood and steel VVand plankingjsecured to said beams by bolts passingthrough n kthe ianges of" said 'T1-beams and lsaid timbers,

mounted between said beams and Iforming la multicellular structure, .and dia'ggo'nal n ing let intol the faceof said bulkhjea'dsj and t connected` to' saidv compound beams', subs-tane.

Gialli '21S deseribedj A marine vesse .withlongitudinal and transversebulkheadsy v l a steel framei work comprising va series of T-beams vcon#V nected together yertically,Y transversely, and

longitudinally, wooden timbers vsecured 'toV the webs fof said 'ET-beams by y bolts passing throughy said webs to Aform4 asinOle com b pound, beamfoJWQOd 'and steel, and'gplankf ingsecured vtof'said.beams by bolts passing through ,j th'e flanges of'. 'said .'lbeains'r and seid,timbers, withl longitudinal vand transverse-1' bulkheads mounted"betweenk said beams and forming a kmulticellular structure, anddiagonal bracingflet vintothe -face fof said bulkheads. and connected said compeundbeains, substantiallyas described.'

A Ymarine vessel having 'steel framefwo'rk' coniprisinga 'series of T -beam's con` nected; together, .woodenL timbers, secured 'to .the ifvebs" of said T-beamsby'bolts passing 'v through said webs, and planking secured to.

said beamsby bolts 'passing' through the f anges of said T-,beams'and said timbers,v

with longitudinal'and transverse bulkheads mounted betweenA said beams forming a Vmulticellular structure, angle ironsl securedV to said bulkheads and said beams at thel joints between said bulkheads and said beams, and diagonal bracing connectedto said angle irons Vand let into the face ofsaid bulkheads, substantially as described.

`- 6, VA marine vessel having, a steel frame-` work comprising a series of T-beamsconnected together vertically, transversely and longitudinally, wooden timbers secured tov the webs of said'T-beams by bolts passing. through said webs to form a single oom poundbeam of woodV and steel, and planking secured to saidvv beamsbyV bolts passing through the flanges of said T-beams and said timbers, with Vlongitudinal and transversel 'bulkheads mountedV between Vsaid beams forming a multicellular structure,v

angle irons secured to said bulkheadsv and said beams at the joints between said bulkheads and said beams, and diagonal bracing connectedto said angle irons and let into the face of said bulkheads, substantiallyV as described.

7 A marine vessel having a steel framework comprising a series of T-beams 'connectedtogether', wooden timbers secured to Y the Webs of said Tebeams by bolts passing through saidv Webs, and planliing secured to said -beams by bolts passing through the flanges of said T-beams and said timbers, with longitudinal and transverse bulkheads mounted between said beamsforming a mul-YA ticellular structure, angle irons secured to said bullrlieads andr said beams at the jointsA between said bulkheads and said beams,

l and diagonal*k bracing` connected to said angle irons Vand Alet into thefac of said bulkheads, `and other diagonal bracingcross# ing said inset bracing and secured on the face `of Ythe bulkhead and also* secured to said.' angle irons, substantially as described.

8. A, marine vessel having a steel :Eramel 'Work comprising a Yseries of Tfbeams vconnected together, vertically, transversely and longitudinally, Wooden timbers secured to fthe VWebs rof said T-'beams by bolts passing through said Webs to form a single compound beam of Wood `and steel, and plankmg secured to said beams by bolts passing through said blsters, substantially as described.`

ironsand let into the Aface of Saidbullcheads, With other diagonalV bracingv crossing ,said inset bracing and secured on the face of the bulkhead and also secured to f said angle Y irons, substantially as described.

9. In a marine Vessel, the combination'rwith a series of frames each formed ,of a metal T-beam With a Wooden timberfon eacbs'ide,A

of and bolted to the web thereof, of planking bolted to said timbers and to the flanges fx. v of said T-beams, bolsters spanning aspirarality of said frames and bolted 'to v said frames, and transverse bulkheads securedto 10. Ina/marine vessel, the combination with' a series of frames each formedfcffa metal T-beam-With a Wooden timber 'onf each side of and bolted to the rWeblthercoffof i planking bolted to said timbers and to thek flanges of said T-beams, holsters spanninga plurality ofsaid iframes and bolted -to r said frames, and transverse bulkheads secured'to said holsters, diagonalbracing let into the face of said bulkheads and connectedto said bolsters, and other diagonal'bi'acing crossing said inset bracing and secured on the face of the bulkheads and also secured to said bol,V

sters, substantially as described.`

Intestimony whereof signature.

LUTHERVSTRNEMNSON.

' Copies this patent may be obtained for ve cents each, by addressing the Commissioner of Patents.

Washington, D. G. 

